img4web | Script optimizes .jpg and .png images | Image Editing library

 by   joedicastro Python Version: Current License: GPL-3.0

kandi X-RAY | img4web Summary

kandi X-RAY | img4web Summary

img4web is a Python library typically used in Media, Image Editing applications. img4web has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. However img4web build file is not available. You can download it from GitHub.

A python script to optimize .jpg, .png and animated .gif images for the web. This follows the "Yahoo Best Practices for Speeding Up Your Web Site" about optimize images. After run it, you have a lossless optimization for the images. A small size saving for each image, but speeds up the load of web pages and reduces the bandwidth cost for a website.
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            kandi-support Support

              img4web has a low active ecosystem.
              It has 47 star(s) with 14 fork(s). There are 3 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 0 have been closed. On average issues are closed in 645 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of img4web is current.

            kandi-Quality Quality

              img4web has 0 bugs and 0 code smells.

            kandi-Security Security

              img4web has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              img4web code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              img4web is licensed under the GPL-3.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              img4web releases are not available. You will need to build from source code and install.
              img4web has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              img4web saves you 56 person hours of effort in developing the same functionality from scratch.
              It has 148 lines of code, 5 functions and 1 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed img4web and discovered the below as its top functions. This is intended to give you an instant insight into img4web implemented functionality, and help decide if they suit your requirements.
            • Entry point for the script .
            • Check if the given progs exists in the given progs .
            • Argument parser .
            • Determine the best unit size .
            • Return the size of a directory .
            Get all kandi verified functions for this library.

            img4web Key Features

            No Key Features are available at this moment for img4web.

            img4web Examples and Code Snippets

            No Code Snippets are available at this moment for img4web.

            Community Discussions

            QUESTION

            Why did my new python edited photo lose brightness?
            Asked 2021-Jun-07 at 13:18

            I am working on a photo editing project and I am curious about why did my new photo lose it's brightness. The program shoud get 2 photos out of the original one. One of them shoud contain only RED value and the other shoud contain BLUE and GREEN values. But when I put them back together the brightness is not the same as in original picture.

            Here is my code:

            ...

            ANSWER

            Answered 2021-Jun-07 at 13:18

            blend2 = Image.blend(img, img2, 0.5)

            The third argument, 0.5, is the alpha level of each layer. Essentially, you are setting each layer to be 50% transparent. This effectively reduces the brightness. Instead, you should read in img1 and img2 and then set the red layer of the second to the red layer of the first.

            Source https://stackoverflow.com/questions/67872281

            QUESTION

            Python tkinter, resizing transparent image on canvas
            Asked 2021-Apr-02 at 12:39

            I am making an isometric game using python and the Tkinter library. I ran into a problem though when rendering my schematics to the screen. I can't seem to keep the transparent background even though the images (.png) are being stored as rgba in pil. When I save the images, as they are, just before being loaded; they still have a transparent background so it's something to do with the way I'm resizing the image. I have looked around and most answers to this that I have seen say to edit the pil plugin or aren't actually resizing the image. Is there a relatively simple way to resize an image and keep transparency that doesn't include messing around with the pil plugin??

            My code:

            ...

            ANSWER

            Answered 2021-Apr-02 at 12:39

            Ok, so I managed to find the issue. The problem was not with the resizing but with the label as @jasonharper had stated. The working way is very unclean and creates unused labels to store the variable to prevent movement to the python garbage. I have tried with an array/list however it doesn't seem to work, that code is below. I don't see many people having this issue in the future because it's so small but I'll put the working code below as well.

            Code using list that doesn't work:

            Source https://stackoverflow.com/questions/66907537

            QUESTION

            Application/script for merging images, applying color, black & white filter in batch?
            Asked 2021-Mar-30 at 08:09

            I'm making achievements for my game, and I would like to make an automated process to save a lot of time instead of doing it manually. (I'm using Windows)

            The inputs of this process would be

            • one rectangular opaque background image (i.e. 200x200 PNG)

            • Color A, (i.e. in hex)

            • Color B, (i.e. in hex)

            • and multiple same sized, rectangular, transparent foreground images. (i.e. 200x200 PNG)

            And the process would do this for every foreground image:

            1. Start with the background image.

            2. Merge the foreground image with Color A filter applied, and also with an offset from the middle.

            3. Merge the foreground image with Color B filter applied, in the middle.

            4. Save the result in a file.

            5. Apply a black & white filter and save the result in a file.

            So the output would be for example multiple 200x200 PNG images, each of it having a colored and a black & white version

            I think there must be an application capable of this.

            But if not, is there a way to quickly do this in some programming/script language for example in Python?

            ...

            ANSWER

            Answered 2021-Mar-30 at 08:09

            Here's the best you can hope for without providing any images or expected results. I am using the following as background, image A and image B:

            Then using ImageMagick, like this:

            Source https://stackoverflow.com/questions/66861398

            QUESTION

            Changing / 's contrast
            Asked 2020-Dec-06 at 20:33

            I've used an example code (source: https://forum.qt.io/topic/11390/increasing-contrast-of-qimage/4) to change contrast of a QImage (I've also edited it a little) :

            ...

            ANSWER

            Answered 2020-Dec-06 at 20:33

            I just had to set the factor variable from ~1 to ~30 to change the contrast by giving these values to the function and the QSlider returned incorrect values.

            It is also possible to reverse the image colors by passing values from -1 to -30, to also change the contrast of the reversed image.

            so the right code will be like:

            Source https://stackoverflow.com/questions/65129598

            QUESTION

            Trying to make 3 x 3 montage of 9 images using ImageMagick but getting error for command line command
            Asked 2020-Aug-13 at 16:45

            I am trying to make a large montage of 9 images in a grid of 3x3 on my windows 10 laptop. Image size of all 9 images are same. I did a research on Internet and found how to do it either vertically or horizontally but not for a array of images or grid. I downloaded ImageMagick software from their website to use their command line options as shown in this page but when I use the command given below, I get error montage is not recognized as an internal or external command, operable program or batch file

            Please help or suggest another way to do it. Thanks

            Here is the command I am using montage 1.jpg 2.jpg 3.jpg 4.jpg 5.jpg 6.jpg 7.jpg 8.jpg 9.jpg -geometry +3+3+3 montage_geom.jpg

            ...

            ANSWER

            Answered 2020-Aug-13 at 16:45

            Your montage ImageMagick syntax is incorrect. Try

            Source https://stackoverflow.com/questions/63394471

            QUESTION

            How can I write a cv2 / Pillow-modified image out to disk?
            Asked 2020-Mar-31 at 17:52

            I have an image opened with Image.open(). I make some changes, reassigning pixel RGV values,and try to save.

            When I try to save, I get:

            ...

            ANSWER

            Answered 2020-Mar-31 at 17:52

            Seems that you open the Image in Pillow and try to save the Pillow Image with OpenCV. OpenCV expect a numpy array. You should first convert your image before write in file with opencv.

            Check this post : https://stackoverflow.com/a/14140796/13103631

            I think, it will solve your issue

            Source https://stackoverflow.com/questions/60956754

            QUESTION

            How to process each page of a multi-page PDF in place with imagemagick?
            Asked 2020-Mar-19 at 16:42

            I have a multi-page PDF with photographed book pages. I want to remove gradients from every page to prepare for optical character recognition.

            This command works fine on a PNG of a single page:

            ...

            ANSWER

            Answered 2020-Mar-14 at 20:56

            It seems unlikely you'd want to pass a PDF to OCR, since Tesseract et al prefer PNG or NetPBM PPM files, so you might as well split your big PDF into individual PNG (or other) files:

            Source https://stackoverflow.com/questions/60686993

            QUESTION

            Crop the image from encoded data on submission - ( File Pond - FilePondPluginFileEncode - imageEditEditor- Doka - Crop - PHP )
            Asked 2020-Jan-08 at 08:04

            Is there any proper PHP code to use when cropping the image using the data that get passed from the hidden field when using the 'FilePondPluginFileEncode'? ( I'm using Doka as image editor) https://pqina.nl/doka/?ref=filepond

            The below options get passed as encoded meta data from file-pond in a hidden field when I select an image and then edit crop. + the base64 image string ( https://pqina.nl/filepond/docs/patterns/plugins/file-encode/)

            ...

            ANSWER

            Answered 2020-Jan-07 at 22:48

            Remember to add the FilePondPluginImageTransform, and FilePondPluginFileEncode, to your FilePond.registerPlugin when using imageEditEditor: Doka.create({}) in FilePond instance.

            Source https://stackoverflow.com/questions/59620470

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install img4web

            You can download it from GitHub.
            You can use img4web like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

            Support

            Contributions and Feedback are most welcome. To contribute to the improvement and development of this scripts, you can send suggestions or bugs via the issues.
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            CLONE
          • HTTPS

            https://github.com/joedicastro/img4web.git

          • CLI

            gh repo clone joedicastro/img4web

          • sshUrl

            git@github.com:joedicastro/img4web.git

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